WO2020000434A1 - Procédé et appareil de communication - Google Patents

Procédé et appareil de communication Download PDF

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Publication number
WO2020000434A1
WO2020000434A1 PCT/CN2018/093837 CN2018093837W WO2020000434A1 WO 2020000434 A1 WO2020000434 A1 WO 2020000434A1 CN 2018093837 W CN2018093837 W CN 2018093837W WO 2020000434 A1 WO2020000434 A1 WO 2020000434A1
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WO
WIPO (PCT)
Prior art keywords
serving cell
terminal device
secondary carrier
search
processing unit
Prior art date
Application number
PCT/CN2018/093837
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English (en)
Chinese (zh)
Inventor
陈京军
东宁
耿晓馥
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201880089058.4A priority Critical patent/CN111771402B/zh
Priority to PCT/CN2018/093837 priority patent/WO2020000434A1/fr
Publication of WO2020000434A1 publication Critical patent/WO2020000434A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements

Definitions

  • the present application relates to the field of communication technologies, and in particular, to a communication method and device.
  • LAA Licensed-assisted access
  • LTE long-term evolution
  • SCell secondary cell
  • LBT listen-before-talk
  • the network side may configure the terminal device with a measurement time configuration (discovery signal measurement, timing configuration, DMTC) measurement at an unauthorized frequency point.
  • a measurement time configuration discovery signal measurement, timing configuration, DMTC
  • DRS discovery reference signals
  • the terminal device may be configured with an SCell at an unlicensed frequency point and activate a secondary component carrier (SCC). Only the device has the ability to receive downlink data at unlicensed frequencies.
  • SCC secondary component carrier
  • the DMTC measurement may not be configured on the network side, and the terminal device is directly configured with a media access control layer control element (MAC CE) that activates SCC.
  • MAC CE media access control layer control element
  • the terminal device may activate SCC blindly and obtain the SCC service area timing by searching for synchronization signals.
  • An existing solution is that the terminal device only performs a cell search and stores 10ms of data to search for the synchronization signal, and the cell may not be searched; or, until the DMTC measurement is configured on the network side, the synchronization signal can be searched to obtain the SCC Service area timing. Disadvantages of this solution are: you can't find a cell after you search only once and exit; if you wait until the network side is configured with DMTC measurement, it may take a long time to get the SCC service area timing, and then further activate SCC.
  • Another existing solution is that the terminal device stores 160ms of air interface data and uses a sliding window with an interval of 6ms to search multiple times until a synchronization signal is found.
  • the disadvantage of this solution is that the terminal device is difficult to implement, it needs to cache huge data at one time, and it takes up more computing resources at one time.
  • the present application provides a communication method and device to accelerate activation of a secondary carrier.
  • a communication method including: activating a secondary carrier when receiving an instruction to activate the secondary carrier; performing one or more serving cell searches; and obtaining timing information of the serving cell and the service The cells are synchronized.
  • the performing one or more serving cell searches includes: searching one or more search signals sent by the serving cell.
  • the performing one or more serving cell searches includes: performing one or more serving cell searches until The serving cell is searched.
  • one or more serving cell searches are performed until the serving cell is searched, which improves the success rate of the serving cell search and activation of the secondary carrier.
  • the performing one or more serving cell searches includes: performing a cell search for a set number of times, the The number of settings is related to the maximum number of cell searches specified in the protocol, the period configured for the measurement time configuration of the discovery signal, and the processing time of the cell search.
  • the maximum number of cell searches is specified, which improves the success rate of serving cell search and activation of secondary carriers.
  • the method further includes: performing radio resource management, and / or receiving a synchronization signal Configuration information for the period.
  • performing radio resource management measurement in advance can speed up measurement and reporting; after the secondary carrier is activated, the configuration information of the period of the synchronization signal can be received, which can speed up the activation of the secondary carrier.
  • a communication method including: sending an instruction to activate a secondary carrier to a terminal device; sending a discovery signal of the serving cell in a serving cell; receiving a request from the terminal device to synchronize to the serving cell ; And synchronizing the terminal device to the serving cell.
  • the method further includes: sending configuration information of a period of a synchronization signal to the terminal device.
  • a communication device which can implement the communication method in the first aspect.
  • the communication device may be a chip (such as a baseband chip or a communication chip) or a terminal device.
  • the above method may be implemented by software, hardware, or by executing corresponding software by hardware.
  • the structure of the communication device includes a processor and a memory; the processor is configured to support the device to perform a corresponding function in the foregoing communication method.
  • the memory is coupled to the processor and holds programs (instructions) and / or data necessary for the device.
  • the communication device may further include a communication interface for supporting communication between the device and other network elements.
  • the communication device may include a unit module that performs a corresponding action in the foregoing method.
  • a processor and a transceiving device are included, the processor is coupled to the transceiving device, and the processor is configured to execute a computer program or instruction to control the transceiving device to receive and process information. Sending; when the processor executes the computer program or instructions, the processor is further configured to implement the foregoing method.
  • the transceiver may be a transceiver, a transceiver circuit, or an input / output interface.
  • the transceiver device is a transceiver circuit or an input / output interface.
  • the sending unit may be an output unit, such as an output circuit or a communication interface; the receiving unit may be an input unit, such as an input circuit or a communication interface.
  • the sending unit may be a transmitter or a transmitter; and the receiving unit may be a receiver or a receiver.
  • a communication device which can implement the communication method in the second aspect.
  • the communication device may be a chip (such as a baseband chip, a communication chip, or the like) or a network device, and the foregoing method may be implemented by software, hardware, or by executing corresponding software by hardware.
  • the structure of the communication device includes a processor and a memory; the processor is configured to support the device to perform a corresponding function in the foregoing communication method.
  • the memory is coupled to the processor and holds programs (instructions) and data necessary for the device.
  • the communication device may further include a communication interface for supporting communication between the device and other network elements.
  • the communication apparatus may include a unit module that performs a corresponding action in the foregoing method.
  • a processor and a transceiving device are included, the processor is coupled to the transceiving device, and the processor is configured to execute a computer program or instruction to control the transceiving device to receive and process information. Sending; when the processor executes the computer program or instructions, the processor is further configured to implement the foregoing method.
  • the transceiver may be a transceiver, a transceiver circuit, or an input / output interface.
  • the transceiver device is a transceiver circuit or an input / output interface.
  • the receiving unit may be an input unit, such as an input circuit or a communication interface; the sending unit may be an output unit, such as an output circuit or a communication interface.
  • the receiving unit may be a receiver (also referred to as a receiver); the sending unit may be a transmitter (also referred to as a transmitter).
  • a computer-readable storage medium stores a computer program or instructions. When the computer programs or instructions are executed, the methods described in the foregoing aspects are implemented.
  • a computer program product containing instructions, and when the instructions are run on a computer, the computer is caused to execute the methods described in the above aspects.
  • FIG. 1 is a schematic diagram of a communication system involved in this application
  • FIG. 2 is a schematic flowchart of a communication method according to an embodiment of the present application.
  • FIG. 3 is a schematic flowchart of another communication method according to an embodiment of the present application.
  • FIG. 4 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • FIG. 5 is a schematic block diagram of another communication device according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a hardware structure of a communication device according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a hardware structure of another communication device according to an embodiment of the present application.
  • FIG. 1 is a schematic diagram of a communication system involved in the present application.
  • the communication system may include at least one network device 100 (only one is shown) and one or more terminal devices 200 connected to the network device 100.
  • the network device 100 may be a device capable of communicating with the terminal device 200.
  • the network device 100 may be any device having a wireless transmitting and receiving function. Including but not limited to: base station NodeB, eNodeB evolved base station, base station in the fifth generation (5G) communication system, base station or network equipment in future communication system, access node in WiFi system, wireless relay Nodes, wireless backhaul nodes, etc.
  • the network device 100 may also be a wireless controller in a cloud radio access network (CRAN) scenario.
  • the network device 100 may also be a small station, a transmission node (TRP), or the like.
  • the embodiment of the present application does not limit the specific technology and specific device form adopted by the network device.
  • Terminal device 200 is a device with wireless transceiver function, which can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; it can also be deployed on the water, such as on a ship, etc .; it can also be deployed in the air, such as an aircraft , Balloons and satellites.
  • the terminal device may be a mobile phone, a tablet, a computer with a wireless transmitting and receiving function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, or an industrial control device.
  • wireless terminal in industrial control wireless terminal in self driving, wireless terminal in remote medical, wireless terminal in smart grid, transportation safety Wireless terminals, wireless terminals in smart cities, wireless terminals in smart homes, and so on.
  • Terminal equipment can also be called user equipment (UE), access terminal equipment, UE unit, mobile station, mobile station, remote station, remote terminal device, mobile device, terminal, wireless communication device, UE Agent or UE device, etc.
  • UE user equipment
  • access terminal equipment UE unit
  • mobile station mobile station
  • remote station remote terminal device
  • mobile device terminal
  • wireless communication device UE Agent or UE device, etc.
  • “Multiple” means two or more. In view of this, in the embodiments of the present invention, “multiple” can also be understood as “at least two”.
  • “And / or” describes the association relationship between related objects and indicates that there can be three types of relationships. For example, A and / or B can indicate that there are three cases in which A exists alone, A and B exist, and B exists alone.
  • the character "/”, unless otherwise specified, generally indicates that the related objects are an "or" relationship.
  • This application provides a communication method and device, which does not need to wait for the network side to configure the DMTC period, but performs continuous cell search to obtain the timing of the secondary carrier service area, which can accelerate the activation of the secondary carrier.
  • FIG. 2 is a schematic flowchart of a communication method according to an embodiment of the present application. among them:
  • the network device sends an instruction to activate the secondary carrier to the terminal device.
  • the terminal device receives the instruction to activate the secondary carrier.
  • the network device does not configure the DMTC, and directly sends an instruction to activate the secondary carrier to the terminal device.
  • the instruction may be, for example, MAC CE.
  • the DMTC configures information such as the transmission period, offset, and window length of the discovery signal.
  • the terminal device activates a secondary carrier.
  • the terminal device directly activates the secondary carrier without waiting for the DMTC period configured on the network side according to the instruction for activating the secondary carrier. Specifically, the terminal device performs a secondary carrier resynchronization process to activate the secondary carrier. After activating the secondary carrier, the terminal device has the ability to receive downlink data at unlicensed frequencies. At this time, the terminal device is generally in a connected state.
  • the network device sends a search signal of the serving cell within the serving cell.
  • the network device sends a discovery signal in one or more cells corresponding to the secondary carrier.
  • the terminal device determines a serving cell according to the quality of the received discovery signal.
  • the search signal includes a synchronization signal (SS).
  • the synchronization signal includes a primary synchronization signal (PSS) and a secondary synchronization signal (SSS).
  • PSS primary synchronization signal
  • SSS secondary synchronization signal
  • the terminal device measures a cell specific reference signal (CRS) and channel state information-reference signal (CSI-RS) according to the received synchronization signal to determine a serving cell.
  • CRS cell specific reference signal
  • CSI-RS channel state information-reference signal
  • the terminal device performs one or more serving cell searches to obtain timing information of the serving cell.
  • the terminal device searches and determines the serving cell after one or more searches. For example, in the LAA scenario in LTE, when the terminal device receives the MAC of the activated secondary carrier sent by the network device and does not receive the DMTC configuration, it initiates a cell search with a window length of 6ms. If no search signal is found, the terminal device continues to initiate a cell search with a window length of 6 ms for N consecutive times until a cell is found and cell timing information is obtained. Among them, N ⁇ 1. For another example, in a 5G scenario, after receiving the MAC that activates the SCC, the terminal device searches for the SSB with a window length of 5ms. If no SSB is found in this cell search, the terminal device initiates a cell search again until the search Until SSB.
  • the window length here is only an example, which is not limited in this application.
  • the terminal device sends a request for synchronization to the serving cell to the network device.
  • the network device receives the synchronization request. Synchronize a terminal device to the serving cell.
  • the terminal device After the terminal device searches for the discovery signal and obtains the timing information of the serving cell, it can send a synchronization request to the network device according to the timing information, requesting synchronization to the serving cell.
  • the terminal device may start to perform radio resource management (radio resource management, RRM) measurement.
  • RRM measurement is mobility measurement, and it is used for resident, handover, reselection and other services for terminal equipment.
  • the terminal device may also receive configuration information of a period of the synchronization signal. There is no need to wait for the network side to configure the SSB cycle and RRM measurement to speed up the activation process of the secondary carrier.
  • the secondary carrier configuration is not activated, the network device has not configured the period of the SSB of the secondary carrier serving cell, and the RRM measurement of the secondary carrier is not configured, and directly sends the terminal device to activate the secondary carrier MAC CE, interval After a period of time, the terminal equipment is configured with the SSB cycle and RRM measurement.
  • the secondary carrier configuration is not activated, and the network configures the period of the SSB of the secondary carrier service area, but the RRM measurement of the secondary carrier is not configured, and the MAC of the activated secondary carrier is directly sent to the terminal device after an interval. Only the RRM measurement of the secondary carrier is configured for the terminal device. It does not depend on the network side configuration measurement, and the terminal device performs the mobility measurement in advance.
  • This embodiment is applicable to LTE and next-generation communication systems (for example, 5G).
  • 5G the concept of synchronization signal blocks (SS / PBCH blocks) is introduced.
  • One or more SS / PBCH blocks constitute a burst set of synchronization signal blocks (SS Burst). Regardless of the period of the burst set, the synchronization signal block is limited to a window transmission of, for example, 5 ms within the burst set.
  • the period of the synchronization signal block of each carrier can be configured by the upper layer. If it is not configured, the terminal device blindly detects the period of the synchronization signal block.
  • the period of the synchronization signal block may be ⁇ 5, 10, 20, 40, 80, 160 ⁇ ms, for example.
  • FIG. 3 is a schematic flowchart of another communication method according to an embodiment of the present application. This process mainly involves the operation of the terminal device.
  • the network device For the interaction with the network device, refer to the embodiment shown in FIG. 2. among them:
  • the terminal device receives an instruction to activate a secondary carrier.
  • the network device does not configure the DMTC, and directly sends an instruction to activate the secondary carrier to the terminal device.
  • the instruction may be, for example, MAC CE.
  • the terminal device performs secondary carrier resynchronization.
  • the terminal equipment performs secondary carrier resynchronization (SCC) and activates the secondary carrier.
  • SCC secondary carrier resynchronization
  • the terminal device searches for a serving cell. Does the cell find a cell? If yes, the secondary carrier activation ends; otherwise, proceed to S204.
  • the terminal device performs one or more serving cell searches. If a cell is found, timing information of the cell is acquired and cell synchronization is performed. If no cell is found, the search is continued and it is determined whether the maximum number of cell searches has been reached.
  • the maximum number of cell searches can be set in advance.
  • the maximum number of cell searches is related to the maximum number of cell searches specified in the protocol, the period (DMTC_Period) configured for the measurement time configuration of the discovery signal, and the processing time (CSU_Process_Time) of the cell search.
  • the maximum number of cell searches the maximum number of cell searches specified in the protocol * the period of the DMTC configuration / the processing time of the platform cell search.
  • the maximum number of cell searches specified in the protocol is, for example, 72, and DMTC_Period is 40 ms.
  • the maximum number of cell searches may be 20 times.
  • a communication method provided in the embodiment of the present application it is not necessary to wait for the DMTC period to be configured on the network side, but to obtain the secondary carrier service area timing by performing continuous cell search, which can accelerate the activation of the secondary carrier; the maximum number of cell searches is specified, and The success rate of serving cell search and activation of secondary carriers is improved.
  • an embodiment of the present application further provides a communication device 1000, which can be applied to the communication method shown in FIG. 2 or FIG. 3.
  • the communication device 1000 may be a terminal device 200 as shown in FIG. 1, or may be a component (such as a chip) applied to the terminal device 200.
  • the communication device 1000 includes a processing unit 11 and may further include a receiving unit 12;
  • the processing unit 11 is configured to activate a secondary carrier when an instruction to activate the secondary carrier is received;
  • the processing unit 11 is further configured to perform one or more serving cell searches
  • the processing unit 11 is further configured to obtain timing information of the serving cell and perform synchronization with the serving cell.
  • the processing unit 11 is configured to search one or more search signals sent by the serving cell.
  • the processing unit 11 is configured to perform one or more serving cell searches until the serving cell is searched.
  • the processing unit 11 is configured to perform a cell search for a set number of times, the set number of times and a maximum cell search number prescribed by a protocol, a measurement cycle configured for a measurement time of a discovery signal, and a cell Search processing time is related.
  • the processing unit 11 is further configured to perform radio resource management; and / or
  • the receiving unit 12 is configured to receive configuration information of a period of a synchronization signal.
  • processing unit 11 and the receiving unit 12 For a more detailed description of the processing unit 11 and the receiving unit 12, reference may be directly made to the related description of the terminal device in the method embodiment shown in FIG. 2 or FIG. 3 above, and details are not described herein.
  • this embodiment of the present application further provides another communication device 2000, which can be applied to the communication method shown in FIG. 2 or FIG. 3.
  • the communication device 2000 may be the network device 100 shown in FIG. 1, or may be a component (such as a chip) applied to the network device 100.
  • the communication device 2000 includes a sending unit 21, a receiving unit 22, and a processing unit 23;
  • the sending unit 21 is configured to send an instruction to activate a secondary carrier to a terminal device
  • the sending unit 21 is further configured to send a search signal of the serving cell within the serving cell;
  • the receiving unit 22 is configured to receive a request from the terminal device for synchronization to the serving cell;
  • the processing unit 23 is configured to synchronize the terminal device to the serving cell.
  • the sending unit 21 is further configured to send configuration information of a period of a synchronization signal to the terminal device.
  • An embodiment of the present application further provides a communication device, where the communication device is configured to execute the foregoing communication method.
  • Some or all of the above communication methods may be implemented by hardware or software.
  • the communication device may be a chip or an integrated circuit in a specific implementation.
  • the communication device when some or all of the communication methods in the above embodiments are implemented by software, the communication device includes: a memory for storing a program; a processor for executing the program stored in the memory; and when the program is executed, The communication device can implement the communication method provided by the foregoing embodiment.
  • the foregoing memory may be a physically independent unit, or may be integrated with a processor.
  • the communication device may also include only a processor.
  • the memory for storing the program is located outside the communication device, and the processor is connected to the memory through a circuit / wire for reading and executing the program stored in the memory.
  • the processor may be a central processing unit (CPU), a network processor (NP), or a combination of a CPU and an NP.
  • CPU central processing unit
  • NP network processor
  • the processor may further include a hardware chip.
  • the above hardware chip may be an application-specific integrated circuit (ASIC), a programmable logic device (PLD), or a combination thereof.
  • the PLD may be a complex programmable logic device (CPLD), a field-programmable gate array (FPGA), a general array logic (GAL), or any combination thereof.
  • the memory may include volatile memory (for example, random-access memory (RAM); the memory may also include non-volatile memory (for example, flash memory) , Hard disk (HDD) or solid-state drive (SSD); the storage may also include a combination of the above types of storage.
  • volatile memory for example, random-access memory (RAM)
  • non-volatile memory for example, flash memory
  • HDD Hard disk
  • SSD solid-state drive
  • the storage may also include a combination of the above types of storage.
  • FIG. 6 shows a simplified structural diagram of a terminal device. It is easy to understand and easy to illustrate.
  • the terminal device uses a mobile phone as an example.
  • the terminal device includes a processor, a memory, a radio frequency circuit, an antenna, and an input / output device.
  • the processor is mainly used for processing communication protocols and communication data, controlling terminal devices, executing software programs, and processing data of the software programs.
  • the memory is mainly used for storing software programs and data.
  • the radio frequency circuit is mainly used for converting baseband signals and radio frequency signals and processing radio frequency signals.
  • the antenna is mainly used to transmit and receive radio frequency signals in the form of electromagnetic waves.
  • Input / output devices such as a touch screen, a display screen, and a keyboard, are mainly used to receive data input by the user and output data to the user. It should be noted that some types of terminal equipment may not have an input / output device.
  • the processor When it is necessary to send data, the processor performs baseband processing on the data to be sent, and then outputs the baseband signal to the radio frequency circuit. After the radio frequency circuit processes the baseband signal, the radio frequency signal is sent out through the antenna as electromagnetic waves.
  • the RF circuit receives the RF signal through the antenna, converts the RF signal into a baseband signal, and outputs the baseband signal to the processor.
  • the processor converts the baseband signal into data and processes the data.
  • FIG. 6 only one memory and processor are shown in FIG. 6. In an actual terminal equipment product, there may be one or more processors and one or more memories.
  • the memory may also be referred to as a storage medium or a storage device.
  • the memory may be set independently of the processor or integrated with the processor, which is not limited in the embodiment of the present application.
  • an antenna and a radio frequency circuit having a transmitting and receiving function may be regarded as a receiving unit and a transmitting unit (also collectively referred to as a transmitting and receiving unit) of a terminal device, and a processor having a processing function may be regarded as a processing unit of the terminal device.
  • the terminal device includes a receiving unit 31, a processing unit 32, and a sending unit 33.
  • the receiving unit 31 may also be referred to as a receiver, a receiver, a receiving circuit, and the like
  • the transmitting unit 33 may also be referred to as a transmitter, a transmitter, a transmitting circuit, and the like.
  • the processing unit may also be called a processor, a processing single board, a processing module, a processing device, and the like.
  • the receiving unit 31 is configured to perform the functions of the terminal device in steps S101 and S103 in the embodiment shown in FIG. 2; the processing unit 32 is configured to perform steps S102 and S102 in the embodiment shown in FIG. 2 S104; and the sending unit 33 is configured to execute the functions of the terminal device in step S105 in the embodiment shown in FIG.
  • FIG. 7 shows a simplified structural diagram of a network device.
  • the network equipment includes a radio frequency signal transceiving and converting section and a 42 section, and the radio frequency signal transceiving and converting section includes a receiving unit 41 and a transmitting unit 43 (also collectively referred to as a transceiving unit).
  • the radio frequency signal transmission and reception and conversion part is mainly used for radio frequency signal transmission and reception and the conversion of radio frequency signal and baseband signal; 42 part is mainly used for baseband processing and control of network equipment.
  • the receiving unit 41 may also be called a receiver, a receiver, a receiving circuit, and the like
  • the sending unit 43 may also be called a transmitter, a transmitter, a transmitter, a transmitting circuit, and the like.
  • Part 42 is usually a control center of a network device, which may be generally referred to as a processing unit, and is used to control the network device to perform the steps performed on the network device in FIG. 2 described above.
  • a control center of a network device which may be generally referred to as a processing unit, and is used to control the network device to perform the steps performed on the network device in FIG. 2 described above.
  • Section 42 may include one or more single boards, and each single board may include one or more processors and one or more memories.
  • the processors are used to read and execute programs in the memory to implement the baseband processing function and to the network equipment. control. If there are multiple boards, the boards can be interconnected to increase processing capacity. As an optional implementation manner, multiple single boards may share one or more processors, or multiple single boards may share one or more memories, or multiple single boards may share one or more processes at the same time. Device.
  • the sending unit 43 is configured to perform the functions of the network device in steps S101 and S103 in the embodiment shown in FIG. 2; and the receiving unit 41 is configured to perform step S105 in the embodiment shown in FIG. 2.
  • the sending unit 43 is configured to perform the functions of the network device in steps S101 and S103 in the embodiment shown in FIG. 2; and the receiving unit 41 is configured to perform step S105 in the embodiment shown in FIG. 2.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the division of the unit is only a logical function division.
  • multiple units or components can be combined or integrated into another system, or some features can be ignored or not. carried out.
  • the displayed or discussed mutual coupling, or direct coupling, or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be electrical, mechanical, or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of this embodiment.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions may be stored in or transmitted through a computer-readable storage medium.
  • the computer instructions can be transmitted from one website site, computer, server, or data center to another via wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.).
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, a data center, or the like that includes one or more available medium integration.
  • the available medium may be a read-only memory (ROM), or a random access memory (RAM), or a magnetic medium, such as a floppy disk, a hard disk, a magnetic tape, a magnetic disk, or an optical medium, such as, A digital versatile disc (DVD), or a semiconductor medium, such as a solid state disk (SSD).
  • ROM read-only memory
  • RAM random access memory
  • magnetic medium such as a floppy disk, a hard disk, a magnetic tape, a magnetic disk, or an optical medium, such as, A digital versatile disc (DVD), or a semiconductor medium, such as a solid state disk (SSD).
  • SSD solid state disk

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Abstract

La présente invention concerne un appareil et un procédé de communication. Le procédé comprend les étapes suivantes : lorsqu'une instruction d'activation d'une porteuse auxiliaire est reçue, activer la porteuse auxiliaire ; effectuer une ou plusieurs recherches de cellule de desserte ; et obtenir des informations de synchronisation de la cellule de desserte, et synchroniser avec la cellule de desserte. La présente invention concerne également un appareil correspondant. Au moyen de la solution de la présente invention, la synchronisation d'une zone de service de porteuse auxiliaire est obtenue par réalisation d'une recherche de cellule continue plutôt que par l'attente d'un réseau pour configurer une période DMTC, de telle sorte que l'activation de la porteuse auxiliaire est accélérée.
PCT/CN2018/093837 2018-06-29 2018-06-29 Procédé et appareil de communication WO2020000434A1 (fr)

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CN201880089058.4A CN111771402B (zh) 2018-06-29 2018-06-29 通信方法及装置
PCT/CN2018/093837 WO2020000434A1 (fr) 2018-06-29 2018-06-29 Procédé et appareil de communication

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PCT/CN2018/093837 WO2020000434A1 (fr) 2018-06-29 2018-06-29 Procédé et appareil de communication

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